<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>失败！</title>
</head>
<body>
<center>
    <h1>
        该用户已经存在，请<a href="/myweb/reg.html">重新注册</a>
    </h1>
</center>

</body>
</html>